这个具体怎么配置的？

[root@ICP-OS-3 ~]# keystone user-create --name=nova --pass=nova --email=nova@example.com

/usr/lib/python2.7/site-packages/keystoneclient/shell.py:64: DeprecationWarning: The keystone CLI is deprecated in favor of python-openstackclient. For a Python library, continue using python-keystoneclient.

  'python-keystoneclient.', DeprecationWarning)

Expecting an auth URL via either --os-auth-url or env[OS_AUTH_URL]